The 209789 is an integrated circuit microcontroller from Renesas Electronics America. It belongs to the 740/38000 series and has a core processor of 740. With a speed of 12.5MHz, this microcontroller is suitable for various embedded applications. It comes in a bulk package and the standard package includes 1 piece. The core size of this microcontroller is 8-bit, providing efficient processing power. It offers connectivity options such as SIO and UART/USART, allowing for easy communication with other devices. The 209789 microcontroller also features peripherals like LCD, LED, PWM, and WDT, enhancing its functionality. It has a total of 59 I/O pins, providing ample interface options. The program memory size is 60KB, which is stored in FLASH memory. It also has 2KB of RAM for data storage. With an internal oscillator, this microcontroller is easy to integrate into various electronic systems. The operating temperature range is -20°C to 85°C, making it suitable for a wide range of environments. Overall, the 209789 microcontroller is a versatile and reliable choice for embedded applications.